Lexus RX 350 Workshop Manuals and Repair Manuals

To change the oil in a Lexus RX 350, first, park the vehicle on a level surface and engage the parking brake. Then, locate the oil drain plug underneath the engine and place an oil drain pan underneath it. Remove the drain plug and allow the old oil to drain completely. After that, replace the drain plug and proceed to remove the oil filter using an oil filter wrench. Finally, install a new oil filter and fill the engine with the recommended amount and type of oil specified in the manual.

To check the transmission fluid in a Lexus RX 350, start the engine and allow it to warm up to normal operating temperature. Park the vehicle on a level surface and engage the parking brake. Locate the transmission dipstick, usually located near the back of the engine bay. Remove the dipstick, wipe it clean, and reinsert it fully. Then, remove the dipstick again and check the fluid level. It should be within the designated range indicated on the dipstick. If it is low, add the recommended type of transmission fluid until it reaches the appropriate level.

To jump-start a Lexus RX 350, you will need a set of jumper cables and a functioning vehicle with a similar voltage battery. First, park the vehicle with the functioning battery close enough to the RX 350 to connect the jumper cables. Turn off both vehicles and engage the parking brakes. Connect one end of the positive jumper cable to the positive terminal of the dead battery and the other end to the positive terminal of the functioning battery. Then, connect one end of the negative jumper cable to the negative terminal of the functioning battery and the other end to a metal part of the RX 350's engine block. Start the functioning vehicle and let it run for a few minutes, then attempt to start the RX 350. Once the RX 350 starts, remove the jumper cables in the reverse order of connection.

To program a new key fob for a Lexus RX 350, you will need to have all existing key fobs available. Sit inside the vehicle with all doors closed and unlocked. Insert the key into the ignition and quickly turn it from the "off" position to the "on" position five times, ending in the "on" position. Within 40 seconds, press any button on each key fob one time. The door locks should cycle to indicate successful programming. Remove the key from the ignition and test each key fob to ensure they are functioning properly.

To replace a fuse in a Lexus RX 350, locate the fuse box, usually located under the dashboard on the driver's side or in the engine compartment. Open the fuse box cover and locate the fuse that corresponds to the malfunctioning circuit. Use the fuse diagram on the inside of the fuse box cover or the owner's manual to identify the correct fuse. Gently pull the fuse out using a fuse puller or a pair of needle-nose pliers. Replace the blown fuse with a new fuse of the same amperage rating. Close the fuse box cover and test the circuit to ensure it is functioning properly.

To replace a headlight bulb in a Lexus RX 350, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector from the bulb by pressing the release tab and pulling it away. Next, remove the rubber dust cover by twisting it counterclockwise. Then, carefully remove the old bulb by turning it counterclockwise and replace it with a new bulb. Finally, reattach the electrical connector, secure the dust cover, and test the headlight to ensure it is functioning properly.

To replace the battery in a Lexus RX 350 key fob, locate the small slot or button on the side of the key fob. Use a small flathead screwdriver or a coin to pry open the key fob case. Carefully remove the old battery and replace it with a new one, ensuring the positive (+) and negative (-) sides are properly aligned. Close the key fob case by pressing it back together until it snaps into place. Test the key fob to ensure it is functioning properly.

To replace the brake pads on a Lexus RX 350, start by safely elevating the vehicle and removing the wheel. Locate the brake caliper and remove the retaining bolts to separate it from the brake rotor. Use a C-clamp or a brake caliper piston tool to compress the caliper piston. Remove the old brake pads and install the new ones, ensuring they are properly aligned. Reattach the brake caliper to the brake rotor and secure it with the retaining bolts. Repeat the process for the other brake caliper. After replacing the brake pads on both sides, reinstall the wheels and lower the vehicle. Pump the brake pedal a few times to ensure proper brake operation.

To replace the cabin air filter in a Lexus RX 350, open the glove box and remove any contents inside. Depress the sides of the glove box to allow it to fully open and hang down. Locate the cabin air filter cover, usually located on the right-hand side. Remove the cover by unlatching the clips or screws holding it in place. Take out the old cabin air filter and replace it with a new one, ensuring it is properly aligned. Finally, reinstall the cover, close the glove box, and test the air conditioning system to ensure proper airflow.

To replace the serpentine belt on a Lexus RX 350, start by locating the belt routing diagram, usually found on a sticker or in the owner's manual. Use a wrench or a tensioner tool to release tension from the belt tensioner. Slowly release the tension

To replace the windshield wiper blades on a Lexus RX 350, lift the wiper arm away from the windshield until it locks into an upright position. Locate the small release tab on the wiper blade assembly where it connects to the wiper arm. Press the release tab and slide the wiper blade down and off the wiper arm. Align the new wiper blade with the arm and slide it onto the arm until it locks into place. Gently lower the wiper arm back onto the windshield. Repeat the process for the other wiper blade.

To reset the maintenance light on a Lexus RX 350, turn the ignition switch to the "on" position without starting the engine. Press the odometer button until the total mileage is displayed. Then, turn the ignition switch off and continue to hold the odometer button. While holding the button, turn the ignition switch back to the "on" position. After a few seconds, the maintenance light should reset, indicating that the reset was successful.

The air filter in a Lexus RX 350 should generally be replaced every 15,000 to 30,000 miles or as specified in the owner's manual. However, if you frequently drive in dusty or polluted environments, it may be necessary to replace the air filter more frequently. Regularly inspecting the air filter for dirt and debris accumulation is also recommended, and if it appears dirty or clogged, it should be replaced regardless of mileage.

The recommended tire pressure for a Lexus RX 350 may vary depending on the specific model and tire size. However, as a general guideline, the recommended tire pressure for the front and rear tires is usually between 30-35 PSI. It is important to check the owner's manual or the sticker located on the driver's side door jamb for the precise tire pressure specifications for your specific vehicle.