Will 2012 Lexus RX 350 lock by itself?
If I walk away and forget to set the alarm/lock my 350, will it lock itself after a certain period of time?

If you've been looking for luxury in all the wrong places, the 2012 Lexus RX 350 is right for you. Essentially unchanged from previous years, the RX 350 is an SUV with a smooth ride, dreamy interior and safety features comparable to many high-end, luxury sedans. All of this in a midsize, crossover SUV that has just been retooled to use regular unleaded gas. Be still my heart.
The 2012 Lexus RX 350 is offered in only one trim level, but it’s everything you could ever want in an SUV. There are three option packages available to make anyone happy. The Appearance package includes 19-inch alloy wheels and blacked-out headlight rings. The Sports package also includes 19-inch wheels but has the addition of a sporty tightened suspension and Lexus' Vehicle Dynamics Integrated Management (VDIM) system. The Premium package includes a sunroof, auto-dimming exterior mirrors, leather seats, power rear liftgate, driver's-seat memory settings and a rear-seat armrest.
Lexus RX models are available with front- or all-wheel drive. The RX 350 has a 270-horsepower 3.5-liter V6 engine and a spunky 6-speed automatic transmission. Mileage is what would be expected of a midsize SUV at 18 mpg city/25 highway. If you really want to get superior mileage, then you might want to feast your eyes on the RX 350’s sister, the RX 450h. Acceleration in the RX 350 is energetic and responsive at any speed. Hill-start assist is standard, and the RX 350 can tow up to 3,500 pounds. Its handling is agile for a midsize SUV, but for the best handling, the Sports package is recommended for sharper maneuvering and a firmer ride.
There are few vehicles in the RX 350’s class that have its exceptional ride quality and options. The interior is posh with real wood and thoughtful colors, and the ride is pleasantly quiet. The cargo space in the rear is ample, but because the rear seats do not fold completely flat and the roof is sloped, you may find fitting tall or bulky items difficult. However, the RX will haul its passengers in style and comfort. Back seat passengers have ample legroom and easy entry and exit, their own cupholders and reading lights – Power to the back seat! Lexus has also added pull handles, which makes it easy to fold down the back seats from the back of the car.
There is a navigation system available that's controlled by a console-mounted "Remote Touch" module, which is described as being intuitive and easy to use, much like a mouse. It also includes real-time traffic and weather alerts. An optional side-view monitor uses TV cameras to show a wide-angle passenger-side view of the vehicle on the navigation screen. Optional features include a dual-screen DVD entertainment system, hands-free parallel-parking system and adaptive cruise control.
The RX 350 comes standard with Lexus’ Pre-Collision System, which tightens the seatbelts and readies the braking power when sensors detect an imminent collision, thereby reducing damage. Other standard safety features include ABS, traction control, an antiskid system, curtain-side airbags, front-side airbags, rear-side airbags, and front knee airbags, and Safety Connect, which calls for help if you can’t in the event of an accident. And to help you fend off any unwanted advances, Lexus offers a theft deterrent system that uses a rolling code to immobilize the engine until the correct smart access key is detected, thus disappointing potential thieves. Rain-sensing wipers are also available, however water repellent windows are standard. All of the RX models come with a tire pressure monitoring system (TPMS) that monitors and notifies the driver of a dangerously low tire. Love that.
The Lexus RX 350 is a sumptuous, well-appointed SUV that will carry you and your passengers in comfort and safety, and it's priced at or below the level of many premium cars on the market that won’t have the room many families need. Yes, the RX 350 is all that and a bag of chips.
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Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Rear side curtain airbags
Audio System
Antenna Type: diversity · USB auxiliary audio input · Wireless headphones · 6 disc CD/DVD in-dash CD · AM/FM radio · Rear audio: separate rear audio · Satellite Radio: SiriusXM · Total Number of Speakers: 12
Brakes
ABS: 4-wheel · Front brake diameter: 12.9 · Front brakes: ventilated disc · Rear brake diameter: 12.2 · Rear brakes: disc
Comfort Features
Armrests: rear center with cupholders · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: leather · Steering wheel trim: leather and wood
Convenience Features
Assist handle: rear · Cargo area power outlet: 12V · Cargo cover: retractable · Center console: front console with armrest and storage · Cruise control: adaptive · Cupholders: rear · Dimming rearview mirror: auto-dimming · Easy entry: power driver seat · Memorized settings: driver seat · Multi-function remote: keyless entry with panic alarm · One-touch windows: 4 · Parking sensors: front and rear · Power outlet(s): two 12V front · Reading lights: front · Steering wheel: power tilt and telescopic · Steering wheel mounted controls: audio · Storage: door pockets · Universal garage door opener: Homelink · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 10
Exterior Features
Door handle color: chrome · Front bumper color: body-color · Mirror color: body-color · Rear bumper color: body-color · Rear spoiler: roofline spoiler · Rear spoiler color: body-color · Rear trunk/liftgate: power operated · Window trim: chrome
Headrests
Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 3
In Car Entertainment
Infotainment: Enform · Infotainment screen size: 7 in. · Video system: DVD player
Instrumentation
Warnings and reminders: maintenance reminder
Lights
Exterior entry lights: security approach lamps · Headlights: HID · Tail and brake lights: LED
Mirrors
Exterior mirrors: heated
Passenger Seat
Adjustable lumbar support: power · Power adjustments: 10
Rear Seats
Type: 40-20-40 split bench
Roof
Moonroof: power
Safety
Camera system: rearview · Child seat anchors: LATCH system
Seatbelts
Front seatbelts: 3-point · Seatbelt force limiters: front · Seatbelt pretensioners: front · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Heated: front seats · Passenger seat power adjustments: reclining · Rear headrests: adjustable · Rear seat folding: one-touch fold flat · Rear seat manual adjustments: reclining · Upholstery: leather-trimmed · Ventilated: front
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Stability and Traction
Accident Avoidence Systems: pre-collision safety system
Steering
Steering ratio: 14.8 · Turns lock-to-lock: 2.8
Suspension
Front Arm Type: lower control arms · Front Shock Type: gas shock absorbers · Front Spring Type: coil springs · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: gas shock absorbers · Rear Spring Type: coil springs · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Navigation system: with voice recognition · Phone: hands free · Phone wireless data link: Bluetooth
Tires
Type: all season
Tires and Rims
Wheel type: aluminum alloy · Wheels: alloy
Wheels
Wheel spokes: 7
Windows
Front wipers: variable intermittent · Laminated glass: infrared-reflecting · Liftgate window: fixed · Power windows: with safety reverse · Rear wiper: intermittent
Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Rear side airbags · Rear side curtain airbags
Audio System
Antenna Type: diversity · USB auxiliary audio input · Wireless headphones · 6 disc CD/DVD in-dash CD · AM/FM radio · Rear audio: separate rear audio · XM with NavTraffic satellite radio · Total Number of Speakers: 15
Brakes
ABS: 4-wheel · Front brake diameter: 12.9 · Front brakes: ventilated disc · Rear brake diameter: 12.2 · Rear brakes: disc
Comfort Features
Armrests: rear center folding with storage · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: leather · Steering wheel trim: leather and wood
Convenience Features
Assist handle: front · Cargo area power outlet: 12V · Cargo cover: retractable · Center console: front console with armrest and storage · Cruise control: adaptive · Cupholders: rear · Dimming rearview mirror: auto-dimming · Easy entry: power driver seat · Memorized settings: side mirrors · Multi-function remote: keyless entry with panic alarm · One-touch windows: 4 · Parking sensors: front and rear · Power outlet(s): two 12V front · Reading lights: front · Steering wheel: power tilt and telescopic · Steering wheel mounted controls: cruise controls · Storage: front seatback · Universal garage door opener: Homelink · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 10
Drivetrain
4WD Type: on demand
Exterior Features
Door handle color: chrome · Front bumper color: body-color · Mirror color: body-color · Rear bumper color: body-color · Rear spoiler: roofline spoiler · Rear spoiler color: body-color · Rear trunk/liftgate: power operated · Window trim: chrome
Headrests
Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 3
In Car Entertainment
Infotainment: Enform · Infotainment screen size: 7 in. · Video system: DVD player
Instrumentation
Warnings and reminders: maintenance reminder
Lights
Exterior entry lights: security approach lamps · Headlights: HID · Tail and brake lights: LED
Mirrors
Exterior mirrors: integrated turn signals
Passenger Seat
Adjustable lumbar support: power · Power adjustments: 10
Rear Seats
Type: 40-20-40 split bench
Roof
Moonroof: power
Safety
Camera system: rearview · Child seat anchors: LATCH system
Seatbelts
Front seatbelts: 3-point · Seatbelt force limiters: front · Seatbelt pretensioners: front · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Heated: front seats · Passenger seat power adjustments: reclining · Rear headrests: adjustable · Rear seat folding: one-touch fold flat · Rear seat manual adjustments: reclining · Upholstery: leather-trimmed · Ventilated: front
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Stability and Traction
Accident Avoidence Systems: pre-collision safety system
Steering
Steering ratio: 14.8 · Turns lock-to-lock: 2.8
Suspension
Front Arm Type: lower control arms · Front Shock Type: gas shock absorbers · Front Spring Type: coil springs · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: gas shock absorbers · Rear Spring Type: coil springs · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Navigation system: with voice recognition · Phone: hands free · Phone wireless data link: Bluetooth
Tires
Type: all season
Tires and Rims
Wheel type: aluminum alloy · Wheels: alloy
Wheels
Wheel spokes: 7
Windows
Front wipers: variable intermittent · Laminated glass: infrared-reflecting · Liftgate window: fixed · Power windows: with safety reverse · Rear wiper: intermittent